 /*******************************************************************************
  * Copyright (c) 2000, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.internal.dialogs;

 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.viewers.ViewerSorter;
 import org.eclipse.ui.internal.registry.IActionSetDescriptor;

 /**
  * This is used to sort action sets in the perspective customization dialog.
  */
 public class ActionSetSorter extends ViewerSorter {

     /**
      * Creates a new sorter.
      */
     public ActionSetSorter() {
     }

     /**
      * Returns a negative, zero, or positive number depending on whether
      * the first element is less than, equal to, or greater than
      * the second element.
      */
     public int compare(Viewer viewer, Object e1, Object e2) {
         if (e1 instanceof IActionSetDescriptor) {
             String str1 = DialogUtil.removeAccel(((IActionSetDescriptor) e1)
                     .getLabel());
             String str2 = DialogUtil.removeAccel(((IActionSetDescriptor) e2)
                     .getLabel());
             return collator.compare(str1, str2);
         }
         return 0;
     }
 }

